Year	Number of Firms
1992-01-01	171
1997-01-01	262
2002-01-01	240
2003-01-01	223
2004-01-01	289
2005-01-01	331
2006-01-01	316
2007-01-01	361
2008-01-01	321
2009-01-01	258
2010-01-01	284
2011-01-01	301
2012-01-01	297
2013-01-01	275
2014-01-01	274
2015-01-01	291
2016-01-01	330